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41. In a closed insulated container, a liquid isstirred with a paddle to increase thetemperature. Which of the the following istrue?1) AU =W 0,q=0 2) AU =W = 0,9 303) AU = 0,W = q +0 4) W = 0, AU = q = 0please give me reply it's urgent |
Answer» <html><body><h2>In closed insulated container a liquid is stirred with a paddle to <a href="https://interviewquestions.tuteehub.com/tag/increase-1040383" style="font-weight:bold;" target="_blank" title="Click to know more about INCREASE">INCREASE</a> the temperature, <a href="https://interviewquestions.tuteehub.com/tag/therefore-706901" style="font-weight:bold;" target="_blank" title="Click to know more about THEREFORE">THEREFORE</a>, it behaves as an adiabatic process, q=0.</h2><h2> </h2><h2><a href="https://interviewquestions.tuteehub.com/tag/hence-484344" style="font-weight:bold;" target="_blank" title="Click to know more about HENCE">HENCE</a>, from the first law of thermodynamics:</h2><h2></h2><h2> ΔE=q+W; ∵q=0</h2><h2></h2><h2>ΔE=W but not <a href="https://interviewquestions.tuteehub.com/tag/equal-446400" style="font-weight:bold;" target="_blank" title="Click to know more about EQUAL">EQUAL</a> to zero.</h2><h2></h2><h2>Hence, the correct answer is option B.</h2></body></html> | |